Ontologia

Department · CMR

Manyu

Cameroon

AmTropical, monsoon(99 %)

Species observed

2 109

Observations

20 618

Area

9 504,3km²

Ecological tissue

Sample of 22 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Manyu : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
17
Connectance
0.074
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

2 109 distinct species · 20 618 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 618 obs · 203 cellules
Obs. / cellule
≥ 383
79–382
21–78
7–20
< 7

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

24,5°C

Annual rain

3 702mm

Warmest m°

32,6°C

Coldest m°

19,6°C

Elevation: 313 m on average (min 63 m, max 1 804 m)

Bioclimatic detailsExpert
Annual mean temp.
24,5°C
Annual rain
3 702mm
Warmest month
32,6°C
Coldest month
19,6°C
Mean alt.
313m
Min
63m
Max
1 804m
Std. dev.
283m
Köppen-Geiger (dominant)
AmTropical, monsoon(99 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,1

Org. C

28,5g/kg

Clay

28,7%

Sand

52,4%

Silt

18,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
38,7g/kg
Clay
27,0%
Sand
53,8%
Silt
19,2%
5–15 cm
pH H₂O
5,1
Org. C
27,9g/kg
Clay
27,9%
Sand
53,1%
Silt
19,1%
15–30 cm
pH H₂O
5,1
Org. C
19,0g/kg
Clay
31,4%
Sand
50,4%
Silt
18,2%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest90.9%
Crops0.2%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)8.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology26 basins · 1 lakes · 30 rivers

Hydrology metrics for this exact territory

Stream length here

1 307,2km

Lake surface here

0,51km²

Basins crossed

26

Max stream order

6

Max drainage

15 674km²

Discharge in basins

2 792,6m³/s

Mean precip.

2 506mm/an

Mean T°

25,2°C

Moisture idx

0,34

Mean runoff

1 642mm/an

Mean elev. (basins)

400m

Watersheds crossing here

17 more basins

Lakes (1, top by area)

Rivers / streams (30, ord ≥ 4)

18 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Built-up

8,1%

Pesticides

7,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas8

IUCN II · 3IUCN IV · 3IUCN Not Reported · 2🌊 Marine · 1

Korup

IUCN II

National Park · 1986

1 263 km²

Bayang-Mbo

IUCN IV

Wildlife Sanctuary · 1996

664 km²

Takamanda

IUCN II

National Park · 2008

628 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations4